What's your question? Ask

This article will help you: https://www.gardeningknowhow.com/houseplants/rubber-tree/prune-rubber-tree.htm

These plants can thrive outdoors but are usually hardy only in Zones 10-11. I would recommend keeping setting it out each spring/summer and bringing it indoors in late fall for overwintering. As for repotting, I would move up one pot size, but no more than two. You can use regular potting soil, as long as it's well-draining. I would also root prune the tree while repotting. This article should help with that: https://www.gardeningknowhow.com/houseplants/hpgen/prune-roots.htm

These plants can thrive outdoors but are usually hardy only in Zones 10-11. I would recommend keeping it in a pot and setting it out each spring/summer and bringing it indoors in late fall for overwintering. Since many plants can survive in one zone higher/lower than that listed, it is possible with suitable winter protection to plant it outside anyway. Here is a map of you growing zone that you may find helpful: https://www.gardeningknowhow.com/planting-zones/south-carolina-planting-zones.htm

Yes, they are the same. Generally, the plant is grown indoors but in the appropraite climate, it can be grown outdoors as well. Here is more information: https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm

It sounds like it could be fungus gnats. Here is more information that should help determine if these are in fact what you are seeing: https://www.gardeningknowhow.com/special/children/fungus-gnats.htm

While your cuttings may still root (albeit somewhat longer), it's generally better to put plastic (or even a glass jar) over the cuttings. Why? This provides them with suitable conditions for rooting such as moisture and heat. Here is an article that you may find helpful: https://www.gardeningknowhow.com/houseplants/rubber-tree/propagation-rubber-tree-plant.htm